X-Ray Diffraction Techniques for a Field Instrument: Patterns of Lithologic Provences

X-ray Emission from Galaxies Outside the Local Universe

X-ray emission from spiral galaxies with normal and low-activity nuclei

X-ray emission from the winds of hot stars

X-ray emission from the winds of hot stars. II

X-ray emission of a representative sample of local Luminous Infrared Galaxies

X-ray emission of a representative sample of local Luminous Infrared Galaxies

X-ray emission of a representative sample of local Luminous Infrared Galaxies

X-ray Emission of SDSS Quasars from ROSAT PSPC Pointed Observations: The Catalog and Initial Analysis

X-ray emitters in the bulge of M31

X-ray evidence of an AGN in M82

X-Ray Fingerprinting Techniques for Recognizing A Hydrological Role in the Formation of Minerals on the Surface of Mars

X-ray Flashes from Off-axis Gamma-Ray Bursts

X-ray fluorescence observations of the moon by SMART-1/D-CIXS and the first detection of Ti Kα from the lunar surface

X-ray Fluorescence Spectrometry with the SELENE Orbiter

X-ray Galaxy Clusters & Cosmology

X-ray galaxy clusters in the large-scale structure

X-ray Line Emission from Accretion Disk Atmospheres

X-ray lines and absorption edges in GRBS and their afterglows

X-ray Lines in Gamma-ray Bursts and Cerenkov Line Emissions